Aluminum Foil Blocks Cell Phone Signals
The Aluminum Foil Blocks Cell Phone Signals currently on the market is full-band. It can shield all the 2G 3G 4G signals, 2.4G WIFI signals and Bluetooth signals under all the three operators of China Mobile, China Unicom and China Telecom. The cell phone jammer shields the cell phone card installed in the cell phone, which has nothing to do with the brand and model of the cell phone. As long as the mobile phone uses the cards under China Mobile, China Unicom and China Telecom, they will be blocked. Some posts say that after turning off the automatic selection of mobile phone network operators, it will not be blocked if the network is manually selected. In fact, this is not correct, because the mobile phone jammer targets all mobile phone frequencies under the three operators. It is shielded, so no matter how it is switched, it will be shielded, which means that no matter what the mobile phone card is, it is within the shielding range of the mobile phone jammer. cell phone jammer
This cannot be avoided by cracking the number band and band, because no matter which number or band you use, it is within its shielding range. There is also Bluetooth software that won’t work, because its frequency will also be blocked by Aluminum Foil Blocks Cell Phone Signals . The only way is to install a mobile phone signal amplifier near the place where the mobile phone signal jammer is used to counter it. When the mobile phone signal becomes stronger, the mobile phone jammer will be more difficult to shield. The current mobile phone signal jammers on the market are all full-band, which can shield all the 2G 3G 4G signals, 2.4G WIFI signals and Bluetooth signals under all the three operators of China Mobile, China Unicom and Telecom. There must be a mobile phone jammer that shields WIFI. The signal jammer is its own frequency that interferes with the normal frequency of the mobile phone receiving the base station, making the mobile phone unable to connect to the base station, and thus unable to make calls, receive and send text messages, and surf the Internet.